4869857 has 6 divisors (see below), whose sum is σ = 4993254. Its totient is φ = 4749440.

The previous prime is 4869853. The next prime is 4869863. The reversal of 4869857 is 7589684.

It can be written as a sum of positive squares in 3 ways, for example, as 712336 + 4157521 = 844^2 + 2039^2 .

It is not a de Polignac number, because 4869857 - 2² = 4869853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4869853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (832209).

Almost surely, 2^4869857 is an apocalyptic number.

It is an amenable number.

4869857 is a deficient number, since it is larger than the sum of its proper divisors (123397).

4869857 is an equidigital number, since it uses as much as digits as its factorization.

4869857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2938 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 4869857 is about 2206.7752490909. The cubic root of 4869857 is about 169.5009238180.

The spelling of 4869857 in words is "four million, eight hundred sixty-nine thousand, eight hundred fifty-seven".